[rCMT] Mw=7.3 LOYALTY ISLANDS
USGS research CMT
researchcmt at geohazards.usgs.gov
Wed Apr 9 06:38:57 MST 2008
AUTOMATIC solution, not reviewed by a seismologist
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General region : 2008qqa2 LOYALTY ISLANDS
surface waves (3.0,3.5,7,7.5 mHz)
Stations used : CASY CTAO KIP MAJO PET RPN TAU YSS
Origin time: 2008 100 12 46 18
Original location (lat,lon,depth) : -20.2000 168.800 88
Moment tensor (x1.e26 dyncm) :
Mrr : 8.327121 Mtt : -1.327774
Mff : -6.999348 Mrt : 2.861036
Mrf : -4.446324 Mtf : 3.199321
T-axis: moment= 9.882 plunge= 73.486 azimuth= 50.057
N-axis: moment= 0.058 plunge= 3.905 azimuth= 153.369
P-axis: moment= -9.940 plunge= 16.020 azimuth= 244.492
best double couple: Mo= 9.911(x1.e26 dyncm) Mw=7.3 tau= 11.9
nodal planes (strike/dip/slip): 340.39/ 29.18/ 98.03 151.21/ 61.13/ 85.54
Centroid location : -19.997 168.657 35.817
Centroid time : 6.085
Variance reduction (%) : 76
***********
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** -o---------------ooo-- **
** -o-----------------oo-- **
* o------------------ooo- *
* oo-------------------oo- *
** o--------------------o-- **
* oo-------------------oo- *
** o----------T---------o-- **
** oo------+------------oo- **
** oo-------------------o-- **
* oo------------------o-- *
** oo----------------oo--**
* P ooo--------------o---*
* oo------------oo--*
** ooo---------oo-**
** oooo-----oo-**
*** -oooooo***
**** -****
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0- 30- 60- 90- 120- 150- 180- 210- 240- 270- 300- 330-
z-comp: 0 0 1 0 1 0 3 0 0 1 1 1
r-comp: 0 0 1 0 1 0 3 0 0 1 1 0
t-comp: 0 0 1 0 1 0 3 0 0 1 1 0
Total number of traces used = 22
number of runs = 8
starttime = Wed Apr 9 07:19:09 MDT 2008
endtime = Wed Apr 9 07:38:37 MDT 2008
inversion time = Wed Apr 9 07:38:28 MDT 2008 - Wed Apr 9 07:38:36 MDT 2008
Solution produced by inversion of all available channels
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